Karti lehcuriyaha cadaadiska dhoobada(CCP) waa badeecad u heellan suuqa baabuurta.Habka qaabaynta saxda ah ayaa loo qaatay si caadi looga dhigo wax soo saarka substrates dareemayaasha.Foornada tunnel-ka rotary ee tooska ah waxay wanaajisaa xasilloonida qallafsanaanta si ay u soo saarto substrates dareemayaal wanaagsan.Substrate-kayagu waxa uu leeyahay saxnaanta farsamaynta sare iyo xasiloonida alaabta wanaagsan, taas oo hagaajin karta tayada dareenka.